Particle in a Box¶ 1D quantum particle in a box. class sympy.physics.quantum.piab.PIABBra(*args, **kwargs)[source]¶ Particle in a box eigenbra. class sympy.physics.quantum.piab.PIABHamiltonian(*args, **kwargs)[source]¶ Particle in a box Hamiltonian operator. class sympy.physics.quantum.piab.PIABKet(*args, **kwargs)[source]¶ Particle in a box eigenket.